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Finding the Fourth Proportional to 660,578.00, 990,867 and 187,267.46

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Solution

The fourth proportional to 660,578.00, 990,867 and 187,267.46 is: 280,901.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,578.00 : 990,867 = 187,267.46 : x
  2. Step 2: Convert to fraction form
    660,578.00/990,867 = 187,267.46/x
  3. Step 3: Cross multiply
    660,578.00x = 990,867 × 187,267.46
  4. Step 4: Simplify right side
    660,578.00x = 185,557,141,333.49
  5. Step 5: Solve for x
    x = 185,557,141,333.49/660,578.00
  6. Step 6: Final answer
    x = 280,901.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.